8910791918 has 32 divisors (see below), whose sum is σ = 15721158144. Its totient is φ = 3707962272.

The previous prime is 8910791863. The next prime is 8910791933. The reversal of 8910791918 is 8191970198.

It is a self number, because there is not a number n which added to its sum of digits gives 8910791918.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234605 + ... + 269927.

It is an arithmetic number, because the mean of its divisors is an integer number (491286192).

Almost surely, 2^8910791918 is an apocalyptic number.

8910791918 is a deficient number, since it is larger than the sum of its proper divisors (6810366226).

8910791918 is a wasteful number, since it uses less digits than its factorization.

8910791918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35856.

The product of its (nonzero) digits is 326592, while the sum is 53.

The square root of 8910791918 is about 94396.9910431471. The cubic root of 8910791918 is about 2073.1883868083.

The spelling of 8910791918 in words is "eight billion, nine hundred ten million, seven hundred ninety-one thousand, nine hundred eighteen".